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    White streaks, spots on new plaster. Calcium?

    Thank you! We will try the sandpaper. The pool guy was asking about how often we brushed but we noticed this before we filled the pool and really didn’t know it wouldn’t go away. Also, my husband was on top of the brushing so definitely wasn’t lack of brushing. Then he asked if we had checked...
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    White streaks, spots on new plaster. Calcium?

    Hello! We recently finished our pool and see these white areas all over. The pool guy said it is calcium buildup. Can I get your thoughts? He said to get a certain wire brush to scrub it off. He poured more acids which I don’t think did anything. Could this be an issue with their plaster job...